白色固体粉末，常带一分子的结晶水，其熔点为77～83℃。极易溶于水、乙醇，可溶于氯仿，几乎不溶于苯、乙醚。1%的水溶液PH为6.0～7.0。强力振荡其水溶液会产生丰富的泡沫。具有良好的表面活性和杀菌消毒性能。中等毒，半数致死量(大鼠，经口)200mg/kg。有刺激性 

98%:

外观Appearance                         白色粉末
红外光谱测定Infrared spectrometry      和对照匹配
纯度purity                             >98%(Titrimetry)
熔点Melting point                      81°C - 86°C
水分Water                              4.5-5.5% 
游离胺及胺盐                           ≤0.05% 
5%水溶液                              完全溶解 


品级Grade                               高纯级   
外观Appearance                          白色至浅黄色粉末
红外光谱鉴别Infrared spectrometry       和对照匹配
纯度Purity                              >99.0% (HPLC)
纯度Purity                              >99.0% (滴定)  
熔点Melting point                       81°C - 86°C 
水分Water                               4.5 - 5.5 %  
灼烧残渣Residue on ignition             ≤ 0.1% 
硫酸盐Sulfate                           ≤ 0.05% 
不溶物Insoluble matter                  ≤ 0.1% 
铝Aluminum                              ≤ 0.0005% 
钙Calcium                               ≤ 0.0005% 
铜Copper                                ≤ 0.0005% 
铁Iron                                  ≤ 0.001% 
铅Lead                                  ≤ 0.001% 
镁MAGNESIUM                             ≤ 0.0005% 
磷酸盐PHOSPHORUS                        ≤ 0.001% 
钠SODIUM                                ≤ 0.005% 
锌ZINC                                  ≤ 0.0005% 
钾POTASSIUM                             ≤ 0.005% 

用于制药
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